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%I #17 Aug 21 2020 17:07:57
%S 1,4,9,10,16,18,25,36,40,46,49,52,61,63,64,81,90,94,100,106,108,112,
%T 121,136,144,148,160,163,169,180,184,196,205,211,225,234,243,250,252,
%U 256,259,265,279,289,295,297,298,306,316,324,342,360,361,400,406,409,414
%N Some permutation of digits is a square.
%D M. Le, On Smarandache Pseudo-Powers of Third Kind, Smarandache Notions Journal, Vol. 10, No. 1-2-3, 1999, 150-151.
%H N. J. A. Sloane, <a href="/A007936/b007936.txt">Table of n, a(n) for n = 1..6948</a>
%H F. Smarandache, <a href="http://www.gallup.unm.edu/~smarandache/OPNS.pdf">Only Problems, Not Solutions!</a>
%t Select[Range[500],Length[Select[FromDigits/@Permutations[ IntegerDigits[#]], IntegerQ[Sqrt[#]]&]]>0&] (* _Harvey P. Dale_, Mar 30 2011 *)
%Y Cf. A235993 (leading zeros not allowed).
%K nonn,base,easy
%O 1,2
%A R. Muller
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